""ET TROJAN Common Upatre Header Structure 2""

SID: 2018635

Revision: 11

Class Type: trojan-activity

Metadata: created_at 2014_07_03, former_category MALWARE, updated_at 2022_05_23

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: "Accept|3a 20|text/,|20|application/|0d 0a|User-Agent|3a 20|" Depth: 44

  • Value: !"Taitus"

  • Value: !"Sling/"

  • Value: !"sophosupd.com"

  • Value: !"sophosupd.net"

  • Value: !"Updexer/"

  • Value: !"Lightworks"

Within:

PCRE: "/^Accept\x3a\x20text\/*,\x20application\/*\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a[^\r\n]+\r\n(?:Pragma|Cache-Control)\x3a\x20no-cache\r\n(?:Connection\x3a Keep-Alive\r\n)?(?:\r\n)?$/H"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source